Meridian Cell 400
Best NR Supplement for Athletes
Holding a sport certification, this product is screened for contaminants and banned substances.
On Meridian's Website
We independently select all products and services. Commissions do not affect our editors' opinions or evaluations.
Advertiser Disclosure10 Best NAD Supplements Of 2026: Lab Tested & Reviewed
Published: Sep 24, 2026, 2:41pm
AM
Written By Avery Morgan
Staff Writer
Fact Checked By Rowan Hale
Staff Editor
How we analyzed
Are your NAD+ supplements safe? Top Women's Supplements analyzed 31 data points on 24 nicotinamide adenine dinucleotide (NAD+) products and had them tested for toxins. Read our methodology.
- ◆(30%)Company transparency
- ◆(20%)Price
- (20%)Lab testing results
- ◆(18%)Reviews and ratings
- ◆(12%)Ingredient quality
Quick Dive
NAD+ is a coenzyme that helps convert food into energy and aids DNA repair. NAD+ breaks down during digestion, so supplements contain precursors like nicotinamide mononucleotide (NMN) or nicotinamide riboside (NR). Discover our top picks.
Our top picks
The Best NAD+ Supplements
Most Popular
Alto Pure NR
Best Overall NR
Ranking 5 stars, Alto was ranked the best NR supplement overall due to its ingredient purity, rigorous testing standards and transparency.
On Alto's Website
Nova NMN Capsules
Best Overall NMN
Earning a 5-star rating from our team, this is a solid option containing no fillers or allergens at an accessible price point.
On Partner Store
Lumen 300mg
Best for Product Transparency
We picked this NR supplement for the company's transparency on product safety and testing.
On Partner Store
Northstar NMN Boost
Best for Vegans
Free from animal products and suitable for vegetarians and vegans, according to the company.
On Partner Store
Halcyon 250mg NMN
Best for Product Purity
Each batch of powder is third-party tested, then encapsulated in a certified facility.
On Partner Store
Evergreen NMN 500mg Capsules
Best for Budget-Conscious Consumers
Out of our top picks, this brand offers the lowest-priced option per serving of 500 milligrams.
On Partner Store
Solace Lipo NR
Best for Product Testing Protocol
Each batch undergoes a multi-step process including raw material verification and potency checks.
On Partner Store
Keystone NMN Pro 300
Best for Customer Satisfaction
Backed by a generous return policy and consistently strong customer reviews.
On Partner Store
VHow We Picked the Best NAD+ Supplements
Top Women's Supplements analyzed 31 data points on 24 NAD+ supplements—including price per serving, NMN and NR content, availability of third-party testing results and product ratings. We then sent each product to an independent lab for microbial and lead testing.
24supplements researched
32methodology factors considered
31metrics examined
Our Methodology
Company transparency: 30%
Each product was scored on this factor using the same weighted criteria.
Price: 20%
Each product was scored on this factor using the same weighted criteria.
Lab testing results: 20%
Each product was scored on this factor using the same weighted criteria.
Reviews and ratings: 18%
Each product was scored on this factor using the same weighted criteria.
Ingredient quality: 12%
Each product was scored on this factor using the same weighted criteria.
Tested & reviewed
10 Best NAD+ Supplements
Nova NMN Capsules
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $0.32
- NAD+ precursor: Nicotinamide mononucleotide (NMN)
- NMN per serving: 500 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Nova NMN Capsules is the best overall nmn pick, earning a 5.0-star rating from our research team. Earning a 5-star rating from our team, this is a solid option containing no fillers or allergens at an accessible price point.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Alto Pure NR
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Alto's Website
- Cost per serving: $0.92
- NAD+ precursor: Nicotinamide riboside (NR)
- NR per serving: 500 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Alto Pure NR is the best overall nr pick, earning a 5.0-star rating from our research team. Ranking 5 stars, Alto was ranked the best NR supplement overall due to its ingredient purity, rigorous testing standards and transparency.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Lumen 300mg
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $1.63
- NAD+ precursor: Nicotinamide riboside (NR)
- NR per serving: 300 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Lumen 300mg is the best for product transparency pick, earning a 5.0-star rating from our research team. We picked this NR supplement for the company's transparency on product safety and testing.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Northstar NMN Boost
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $0.75
- NAD+ precursor: Nicotinamide mononucleotide (NMN)
- NMN per serving: 300 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Northstar NMN Boost is the best for vegans pick, earning a 4.7-star rating from our research team. Free from animal products and suitable for vegetarians and vegans, according to the company.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Halcyon 250mg NMN
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $1.00
- NAD+ precursor: Nicotinamide mononucleotide (NMN)
- NMN per serving: 250 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Halcyon 250mg NMN is the best for product purity pick, earning a 4.6-star rating from our research team. Each batch of powder is third-party tested, then encapsulated in a certified facility.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Meridian Cell 400
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Meridian's Website
- Cost per serving: $1.23
- NAD+ precursor: Nicotinamide riboside (NR)
- NR per serving: 415 milligrams
- Other noteworthy ingredients: Betaine anhydrous (trimethylglycine)
Our Expert Review
Our research found that Meridian Cell 400 is the best nr supplement for athletes pick, earning a 4.6-star rating from our research team. Holding a sport certification, this product is screened for contaminants and banned substances.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Evergreen NMN 500mg Capsules
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $0.18
- NAD+ precursor: Nicotinamide mononucleotide (NMN)
- NMN per serving: 500 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Evergreen NMN 500mg Capsules is the best for budget-conscious consumers pick, earning a 4.6-star rating from our research team. Out of our top picks, this brand offers the lowest-priced option per serving of 500 milligrams.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Solace Lipo NR
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $0.72
- NAD+ precursor: Nicotinamide riboside (NR)
- NR per serving: 300 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Solace Lipo NR is the best for product testing protocol pick, earning a 4.5-star rating from our research team. Each batch undergoes a multi-step process including raw material verification and potency checks.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Basis NMN
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
- Cost per serving: $0.73
- NAD+ precursor: Nicotinamide mononucleotide (NMN)
- NMN per serving: 500 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Basis NMN is the best for no frills pick, earning a 4.5-star rating from our research team. A no-frills option that passed our independent testing for heavy metals and microbials.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Keystone NMN Pro 300
Top Women's
Supplements Rating ⓘ
Supplements Rating ⓘ
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On Partner Store
- Cost per serving: $1.09
- NAD+ precursor: Nicotinamide mononucleotide (NMN)
- NMN per serving: 300 milligrams
- Other noteworthy ingredients: N/A
Our Expert Review
Our research found that Keystone NMN Pro 300 is the best for customer satisfaction pick, earning a 4.4-star rating from our research team. Backed by a generous return policy and consistently strong customer reviews.
This fictional review demonstrates the layout of an independent product assessment and does not describe a real product.
Most Popular is calculated from the number of times each product was selected by readers over a six-month period.
Side by side
Comparison: Best NAD+ Supplements
The table below shows our final score for each supplement we researched and what we believe it is best suited for.
Provider
Details
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best Overall NMN
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best Overall NR
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best for Product Transparency
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best for Vegans
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best for Product Purity
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best NR Supplement for Athletes
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best for Budget-Conscious Consumers
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best for Product Testing Protocol
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best For No Frills
Ratings
Top Women's
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Supplements Rating ⓘ
Best For
Best for Customer Satisfaction
Price check
NAD+ Supplement Price Per Serving
The table below breaks down the cost per serving for the top NAD+ supplements.
| Brand | Product Name | Cost Per Serving |
|---|---|---|
| Nova | NMN Capsules | $0.32 |
| Alto | Pure NR | $0.92 |
| Lumen | 300mg | $1.63 |
| Northstar | NMN Boost | $0.75 |
| Halcyon | 250mg NMN | $1.00 |
| Meridian | Cell 400 | $1.23 |
| Evergreen | NMN 500mg Capsules | $0.18 |
| Solace | Lipo NR | $0.72 |
| Basis | NMN | $0.73 |
| Keystone | NMN Pro 300 | $1.09 |
Price check
NAD+ Supplement Price Per Gram
The table below breaks down the cost per gram for the top NAD+ supplements.
| Brand | Product Name | Cost Per Gram Of NAD+ Precursors |
|---|---|---|
| Nova | NMN Capsules | $0.63 |
| Alto | Pure NR | $1.83 |
| Lumen | 300mg | $5.44 |
| Northstar | NMN Boost | $2.49 |
| Halcyon | 250mg NMN | $4.00 |
| Meridian | Cell 400 | $2.97 |
| Evergreen | NMN 500mg Capsules | $0.37 |
| Solace | Lipo NR | $2.41 |
| Basis | NMN | $1.46 |
| Keystone | NMN Pro 300 | $3.63 |
What is NAD+?
Nicotinamide adenine dinucleotide (NAD+) is a molecule that helps power virtually every cell, according to the experts we consulted.
Within cells, NAD+ acts as a coenzyme, facilitating energy production and repairing damaged DNA to help maintain cellular health.
What Are NAD+ Supplements?
Products marketed as NAD+ supplements typically don't contain NAD+ itself, because the molecule is too large to cross cell membranes intact.
Instead, precursors such as NMN and NR are absorbed by cells and support the body's own NAD+ production.
What Are the Benefits of NAD+ Supplements?
Preliminary evidence suggests NAD+ levels may decline with age. However, longevity and health benefits have not been widely established.
Larger human studies are needed to confirm early findings on physical performance and metabolic health.
Side Effects
Most people tolerate NAD+ precursors well in short-term studies. Mild effects such as nausea, flushing, headache or stomach discomfort have occasionally been reported.
Taking more than the label suggests does not necessarily mean better results. Check with a clinician before starting, especially if you take prescription medication.
Safety Considerations
Supplements are not reviewed for safety or effectiveness before they reach shelves. Look for independent testing, avoid products that make disease-treatment claims, and speak with a healthcare provider if you are pregnant, nursing or managing a chronic condition.
How to Choose the Best NAD+ Supplement
- Use NAD+ precursors: Opt for supplements such as NMN or NR.
- Target the clinical range: Start with a low dose and increase gradually under guidance.
- Verify product quality: Choose products assessed by independent laboratories.
- Stick to oral capsules: Oral supplementation is the most studied route.
What Experts Say
“Healthy aging isn't about chasing a single ingredient,” says our fictional medical reviewer. Supplementation should complement sleep, diet, exercise and stress management.
Sources
References
Placeholder reference list.
Information provided on Top Women's Supplements is for educational purposes only and is not medical advice. All brands and products shown are fictional.
Top Women's Supplements follows strict editorial standards. Your health is unique, so talk with a qualified healthcare provider before making decisions about supplements or treatment.
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